[" Find value of "p," if the straight lines "3x+7y-1=0" and "7x-py+3=0],[" are mutually "perp r]

Find the value of p, if the straight lines 3x+7y-1=0 and 7x-py+3=0 are mutually perpendicular.

Find the the value of p if the straight lines 3x+7y-1=0 and 7x-py+3=0 are mutually perpendicular.

Find the value of p if the straight lines 3x + 7 y - 1 = 0 and 7 x - py + 3 = 0 are mutually perpendicular .

Find the value of P ,if the straight lines x+P=0,y+2=0 and 3x+2y+5=0 are concurrent.

Find the value of p if the straight lines x+p=0, y+2=0, 3x+2y+6=0 are concurrent.

Find the value of p, if straight line x+p=0,y+2=0 3x+2y+5=0 are concurrent.

Find for what value of k the three straight lines 4x-3y=1 , 3x-4y+1=0 and kx-7y +3=0 are concurrent .

Find k if lines 5x - ky- 7=0 and 2x + 3y + 5 =0 are mutually perpendicular.